Add rel=noopener to target=_blank links

From https://developers.google.com/web/tools/lighthouse/audits/noopener:
- new pages will run in separate processes, avoiding any performance
  intermingling impacts
- new pages won't have access to current page's window object via JavaScript

1 files changed, 5 insertions, 5 deletions

diff --git a/src/Wallabag/CoreBundle/Resources/views/themes/common/Static/howto.html.twig b/src/Wallabag/CoreBundle/Resources/views/themes/common/Static/howto.html.twig
index 231f9bdf..fbd2755a 100644
--- a/src/Wallabag/CoreBundle/Resources/views/themes/common/Static/howto.html.twig
+++ b/src/Wallabag/CoreBundle/Resources/views/themes/common/Static/howto.html.twig
@@ -28,18 +28,18 @@
                             <div class="col s12">
                                 <h5>{{ 'howto.top_menu.browser_addons'|trans }}</h5>
                                 <ul>
-                                    <li><a href="{{ addonsUrl.firefox }}" target="_blank">{{ 'howto.browser_addons.firefox'|trans }}</a></li>
-                                    <li><a href="{{ addonsUrl.chrome }}" target="_blank">{{ 'howto.browser_addons.chrome'|trans }}</a></li>
-                                    <li><a href="{{ addonsUrl.opera }}" target="_blank">{{ 'howto.browser_addons.opera'|trans }}</a></li>
+                                    <li><a href="{{ addonsUrl.firefox }}" target="_blank" rel="noopener">{{ 'howto.browser_addons.firefox'|trans }}</a></li>
+                                    <li><a href="{{ addonsUrl.chrome }}" target="_blank" rel="noopener">{{ 'howto.browser_addons.chrome'|trans }}</a></li>
+                                    <li><a href="{{ addonsUrl.opera }}" target="_blank" rel="noopener">{{ 'howto.browser_addons.opera'|trans }}</a></li>
                                 </ul>
                             </div>
 
                             <div class="col s12">
                                 <h5>{{ 'howto.top_menu.mobile_apps'|trans }}</h5>
                                 <ul>
-                                    <li>Android: <a href="{{ addonsUrl.f_droid }}" target="_blank">{{ 'howto.mobile_apps.android.via_f_droid'|trans }}</a> / <a href="{{ addonsUrl.google_play }}" target="_blank">{{ 'howto.mobile_apps.android.via_google_play'|trans }}</a></li>
+                                    <li>Android: <a href="{{ addonsUrl.f_droid }}" target="_blank" rel="noopener">{{ 'howto.mobile_apps.android.via_f_droid'|trans }}</a> / <a href="{{ addonsUrl.google_play }}" target="_blank" rel="noopener">{{ 'howto.mobile_apps.android.via_google_play'|trans }}</a></li>
                                     <li>iOS: <a href="{{ addonsUrl.ios }}" target="_blank">{{ 'howto.mobile_apps.ios'|trans }}</a></li>
-                                    <li>Windows Phone: <a href="{{ addonsUrl.windows }}" target="_blank">{{ 'howto.mobile_apps.windows'|trans }}</a></li>
+                                    <li>Windows Phone: <a href="{{ addonsUrl.windows }}" target="_blank" rel="noopener">{{ 'howto.mobile_apps.windows'|trans }}</a></li>
                                 </ul>
                             </div>